*Points don’t expire as long as you have flight-earning or partner-earning activity at least once every 24 months.

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Cheap flights from Dulles, District of Columbia (IAD) to Tucson, Arizona (TUS)

Other flights from Dulles

Flights from Dulles, District of Columbia (IAD) to Tucson, Arizona (TUS)

Flights for this route often include:

1 flight before noon

No flights noon to 6 pm

1 flight after 6 pm

Alternate airports served by Southwest

Flights from Washington, US (DCA) to Tucson, Arizona (TUS)

Flights for this route often include:

2 flights before noon

5 flights noon to 6 pm

No flights after 6 pm

Flights from Baltimore, Maryland (BWI) to Tucson, Arizona (TUS)

Flights for this route often include:

4 flights before noon

6 flights noon to 6 pm

No flights after 6 pm

The Southwest Travel Experience

At Southwest, we know it takes more than great deals on discount air fares and convenient daily nonstop flights to make your trip memorable. So from booking to boarding, we offer services and features designed to help ensure your travel is hassle free.

Here at Southwest, we pride ourselves on making it both simple and fun to fly with low fares to 70+ destinations nationwide. Our weekly Click 'n Save e-mails keep you in the know about our latest flight deals and the Southwest Travel Guide helps you plan your trip.

Southwest is a pet friendly airlines and accepts small vaccinated domestic cats and dogs. Customers flying with a pet are subject to a pet fare.